ELANGOVAN R <br/><br/>
UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING  

 - NEW DELHI  NEW AGE INTERNATIONAL  1997 
 - 178 
<br/><br/><label>ISBN: </label>81-224-1097-9 
<br/><br/><label>Dewey Class. No.: </label>628.17 628.17 ELA N97 ELA/SAS